JS修改CSS的三种方式

来源：互联网发布：天天炫舞抽坐骑软件编辑：程序博客网时间：2024/05/01 06:38

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
<html>
<head>
 
<style type="text/css">
.newDiv {
    font-weight: bold;
}
</style>
 
<script>
function clk(event) {
    var parent = document.getElementById("parent");
     
    //改变className
    var child0 = document.createElement("div"); 
    child0.innerHTML = "child0";
    child0.className = "newDiv";
    parent.appendChild(child0);
    //改变cssText
    var child1 = document.createElement("div");
    child1.innerHTML = "child1";
    child1.style.cssText = "font-weight: bold";
    parent.appendChild(child1);
    //改变直接样式
    var child2 = document.createElement("div");
    child2.innerHTML = "child2";
    child2.style.fontWeight = "bold";
    parent.appendChild(child2);
}
</script>
 
</head>
<body>
<input type="button" value="click" onclick="clk(event);"/>
<div id="parent">
    <div>child</div>
</div>
</body>
</html>

0 0